One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

The oldest experimental corn field in America is still creating better ways to grow crops.

An amazing collection of scale model ships.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

The first spinning jail built in the United States is the only one that still turns.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.

Display that gathers the basic elements of the universe in one convenient location.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

In a grove of fast growing walnut trees outside Paris, Illinois, a marker shares the story of a fictional road building culture.

Whether his story is true or not, Stiffy Green is the most beloved bulldog in all of Indiana.

Symbolic attempt to overcome the issues of life.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

One tree's homage to soles past and present.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

One-layer pyramid in Indiana.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

The world's largest anatomically accurate brain sculpture.

Indiana's shrine to the sport that has become a hallmark of their culture.